<li>
  <span>商品名:</span>
  <em><%= @good.name %></em>
</li>
<li>
  <span>单价:</span>
  <input type="text" name="order[real_price]" id="real_price" value="<%= @price %>">
  <em><%= @price %>元</em>
  <b class="original-cost"><%= @good.price %>元</b>
</li>
<li>
  <span>合计:</span>
   <input type="text" name="order[total_price]" id="total_price" value="<%= @total %>">	
  <em><%= @total %>元</em>
</li>
